Examples with NopInterceptor cn.taketoday.aop.testfixture.interceptor.NopInterceptor used on opensource projects

Example 1 with NopInterceptor

use of cn.taketoday.aop.testfixture.interceptor.NopInterceptor in project today-infrastructure by TAKETODAY.

the class AbstractAopProxyTests method testTargetCanGetProxy.

@Test
public void testTargetCanGetProxy() {
    NopInterceptor di = new NopInterceptor();
    INeedsToSeeProxy target = new TargetChecker();
    ProxyFactory proxyFactory = new ProxyFactory(target);
    proxyFactory.setExposeProxy(true);
    assertThat(proxyFactory.isExposeProxy()).isTrue();
    proxyFactory.addAdvice(0, di);
    INeedsToSeeProxy proxied = (INeedsToSeeProxy) createProxy(proxyFactory);
    assertThat(di.getCount()).isEqualTo(0);
    assertThat(target.getCount()).isEqualTo(0);
    proxied.incrementViaThis();
    assertThat(target.getCount()).as("Increment happened").isEqualTo(1);
    assertThat(di.getCount()).as("Only one invocation via AOP as use of this wasn't proxied").isEqualTo(1);
    // 1 invocation
    assertThat(proxied.getCount()).as("Increment happened").isEqualTo(1);
    // 2 invocations
    proxied.incrementViaProxy();
    assertThat(target.getCount()).as("Increment happened").isEqualTo(2);
    assertThat(di.getCount()).as("3 more invocations via AOP as the first call was reentrant through the proxy").isEqualTo(4);
}

Example 2 with NopInterceptor

use of cn.taketoday.aop.testfixture.interceptor.NopInterceptor in project today-infrastructure by TAKETODAY.

the class AbstractAopProxyTests method testAddThrowsAdviceWithoutAdvisor.

@Test
public void testAddThrowsAdviceWithoutAdvisor() throws Throwable {
    // Reacts to ServletException and RemoteException
    MyThrowsHandler th = new MyThrowsHandler();
    Echo target = new Echo();
    target.setA(16);
    ProxyFactory pf = new ProxyFactory(target);
    pf.addAdvice(new NopInterceptor());
    pf.addAdvice(th);
    IEcho proxied = (IEcho) createProxy(pf);
    assertThat(th.getCalls()).isEqualTo(0);
    assertThat(proxied.getA()).isEqualTo(target.getA());
    assertThat(th.getCalls()).isEqualTo(0);
    Exception ex = new Exception();
    // Will be advised but doesn't match
    assertThatExceptionOfType(Exception.class).isThrownBy(() -> proxied.echoException(1, ex)).matches(ex::equals);
    // Subclass of RemoteException
    MarshalException mex = new MarshalException("");
    assertThatExceptionOfType(MarshalException.class).isThrownBy(() -> proxied.echoException(1, mex)).matches(mex::equals);
    assertThat(th.getCalls("remoteException")).isEqualTo(1);
}

Example 3 with NopInterceptor

use of cn.taketoday.aop.testfixture.interceptor.NopInterceptor in project today-infrastructure by TAKETODAY.

the class AbstractAopProxyTests method testExistingProxyChangesTarget.

@Test
public void testExistingProxyChangesTarget() throws Throwable {
    TestBean tb1 = new TestBean();
    tb1.setAge(33);
    TestBean tb2 = new TestBean();
    tb2.setAge(26);
    tb2.setName("Juergen");
    TestBean tb3 = new TestBean();
    tb3.setAge(37);
    ProxyFactory pc = new ProxyFactory(tb1);
    NopInterceptor nop = new NopInterceptor();
    pc.addAdvice(nop);
    ITestBean proxy = (ITestBean) createProxy(pc);
    assertThat(0).isEqualTo(nop.getCount());
    assertThat(proxy.getAge()).isEqualTo(tb1.getAge());
    assertThat(1).isEqualTo(nop.getCount());
    // Change to a new static target
    pc.setTarget(tb2);
    assertThat(proxy.getAge()).isEqualTo(tb2.getAge());
    assertThat(2).isEqualTo(nop.getCount());
    // Change to a new dynamic target
    HotSwappableTargetSource hts = new HotSwappableTargetSource(tb3);
    pc.setTargetSource(hts);
    assertThat(proxy.getAge()).isEqualTo(tb3.getAge());
    assertThat(3).isEqualTo(nop.getCount());
    hts.swap(tb1);
    assertThat(proxy.getAge()).isEqualTo(tb1.getAge());
    tb1.setName("Colin");
    assertThat(proxy.getName()).isEqualTo(tb1.getName());
    assertThat(5).isEqualTo(nop.getCount());
    // Change back, relying on casting to Advised
    Advised advised = (Advised) proxy;
    assertThat(advised.getTargetSource()).isSameAs(hts);
    SingletonTargetSource sts = new SingletonTargetSource(tb2);
    advised.setTargetSource(sts);
    assertThat(proxy.getName()).isEqualTo(tb2.getName());
    assertThat(advised.getTargetSource()).isSameAs(sts);
    assertThat(proxy.getAge()).isEqualTo(tb2.getAge());
}

Example 4 with NopInterceptor

use of cn.taketoday.aop.testfixture.interceptor.NopInterceptor in project today-infrastructure by TAKETODAY.

the class AbstractAopProxyTests method testCannotAddAdvisorWhenFrozenUsingCast.

/**
 * Check that casting to Advised can't get around advice freeze.
 */
@Test
public void testCannotAddAdvisorWhenFrozenUsingCast() throws Throwable {
    TestBean target = new TestBean();
    target.setAge(21);
    ProxyFactory pc = new ProxyFactory(target);
    assertThat(pc.isFrozen()).isFalse();
    pc.addAdvice(new NopInterceptor());
    ITestBean proxied = (ITestBean) createProxy(pc);
    pc.setFrozen(true);
    Advised advised = (Advised) proxied;
    assertThat(pc.isFrozen()).isTrue();
    assertThatExceptionOfType(AopConfigException.class).as("Shouldn't be able to add Advisor when frozen").isThrownBy(() -> advised.addAdvisor(new DefaultPointcutAdvisor(new NopInterceptor()))).withMessageContaining("frozen");
    // Check it still works: proxy factory state shouldn't have been corrupted
    assertThat(proxied.getAge()).isEqualTo(target.getAge());
    assertThat(advised.getAdvisors().length).isEqualTo(1);
}

Example 5 with NopInterceptor

use of cn.taketoday.aop.testfixture.interceptor.NopInterceptor in project today-infrastructure by TAKETODAY.

the class AbstractAopProxyTests method testOneAdvisedObjectCallsAnother.

/**
 * Check that the two MethodInvocations necessary are independent and
 * don't conflict.
 * Check also proxy exposure.
 */
@Test
public void testOneAdvisedObjectCallsAnother() {
    int age1 = 33;
    int age2 = 37;
    TestBean target1 = new TestBean();
    ProxyFactory pf1 = new ProxyFactory(target1);
    // Permit proxy and invocation checkers to get context from AopContext
    pf1.setExposeProxy(true);
    NopInterceptor di1 = new NopInterceptor();
    pf1.addAdvice(0, di1);
    pf1.addAdvice(1, new ProxyMatcherInterceptor());
    pf1.addAdvice(2, new CheckMethodInvocationIsSameInAndOutInterceptor());
    pf1.addAdvice(1, new CheckMethodInvocationViaThreadLocalIsSameInAndOutInterceptor());
    // Must be first
    pf1.addAdvice(0, ExposeInvocationInterceptor.INSTANCE);
    ITestBean advised1 = (ITestBean) pf1.getProxy();
    // = 1 invocation
    advised1.setAge(age1);
    TestBean target2 = new TestBean();
    ProxyFactory pf2 = new ProxyFactory(target2);
    pf2.setExposeProxy(true);
    NopInterceptor di2 = new NopInterceptor();
    pf2.addAdvice(0, di2);
    pf2.addAdvice(1, new ProxyMatcherInterceptor());
    pf2.addAdvice(2, new CheckMethodInvocationIsSameInAndOutInterceptor());
    pf2.addAdvice(1, new CheckMethodInvocationViaThreadLocalIsSameInAndOutInterceptor());
    pf2.addAdvice(0, ExposeInvocationInterceptor.INSTANCE);
    ITestBean advised2 = (ITestBean) createProxy(pf2);
    advised2.setAge(age2);
    // = 2 invocations
    advised1.setSpouse(advised2);
    // = 3 invocations
    assertThat(advised1.getAge()).as("Advised one has correct age").isEqualTo(age1);
    assertThat(advised2.getAge()).as("Advised two has correct age").isEqualTo(age2);
    // Means extra call on advised 2
    // = 4 invocations on 1 and another one on 2
    assertThat(advised1.getSpouse().getAge()).as("Advised one spouse has correct age").isEqualTo(age2);
    assertThat(di1.getCount()).as("one was invoked correct number of times").isEqualTo(4);
    // Got hit by call to advised1.getSpouse().getAge()
    assertThat(di2.getCount()).as("one was invoked correct number of times").isEqualTo(3);
}